Eroare de compilare: main.cpp: In function 'int main()': main.cpp:78:53: warning: operation on 'a[((n - ((long int)i)) + 1l)]' may be undefined [-Wsequence-point] a[ i ] = a[ n - i + 1] - a[ i ] + ( a[ n - i + 1] = a[ i ]); ~~~~~~~~~~~~~~~~^~~~~~~~~ main.cpp:80:27: error: 'memset' was not declared in this scope memset( din,0,sizeof(din)); ^ main.cpp:61:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("profit.in", "r", stdin); ^ main.cpp:62:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("profit.out", "w", stdout); ^ main.cpp:63:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%ld", &n); ^ main.cpp:66:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%ld", &a[i]); ^ Non zero exit status: 1